Warnerwoods Company uses a perpetual inventory system. It entered into the following purchases and sales transactions for March.

Date Activities Units Acquired at Cost Units Sold at Retail

March $1$ Beginning inventory $170$ units @ $$52\mathrm{.}40$ per unit

March $5$ Purchase $260$ units @ $$57\mathrm{.}40$ per unit

March $9$ Sales $330$ units @ $$87\mathrm{.}40$ per unit

March $18$ Purchase $120$ units @ $$62\mathrm{.}40$ per unit

March $25$ Purchase $220$ units @ $$64\mathrm{.}40$ per unit

March $29$ Sales $200$ units @ $$97\mathrm{.}40$ per unit

Totals $770$ units $530$ units

$4.$ Compute gross profit earned by the company for each of the four costing methods. For specific identification, units sold include $100$ units from beginning inventory, $230$ units from the March $5$ purchase, $80$ units from the March $18$ purchase, and $120$ units from the March $25$ purchase.

Note: Round weighted average cost per unit to two decimals and final answers to nearest whole dollar.